IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% De ore leonisDe ore leonis
  2. 🔍 74% De ore leonisDe ore leonis
  3. 🔍 56% De ore leonisDe ore leonis
  4. 🔍 50% De ore leonis (in Feriis)De ore leonis (in Feriis)
  5. 🔍 43% De ore leonisDe ore leonis
  6. 🔍 35% Erue a frameaErue a framea
  7. 🔍 35% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  8. 🔍 34% Fasciculus myrrhaeFasciculus myrrhae
  9. 🔍 34% Vir Dei BenedictusVir Dei Benedictus
  10. 🔍 34% De ore leonisDe ore leonis
  11. 🔍 33% Te Deum (Solemn tone)Te Deum (Solemn tone)
  12. 🔍 31% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  13. 🔍 31% DefeceruntDefecerunt
  14. 🔍 30% Laetare caelum desuperLaetare caelum desuper
  15. 🔍 30% Aurora caelum (Alter tonus)Aurora caelum (Alter tonus)
  16. 🔍 29% Stabat sancta Maria (sorrowful tone)Stabat sancta Maria (sorrowful tone)
  17. 🔍 28% O admirabile commerciumO admirabile commercium
  18. 🔍 27% Dignus est AgnusDignus est Agnus
  19. 🔍 27% De ore leonis libera me (Resp.)De ore leonis libera me (Resp.)
  20. 🔍 27% Miserere mei... secundumMiserere mei... secundum
  21. 🔍 26% Exsultabo et laetaborExsultabo et laetabor
  22. 🔍 26% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  23. 🔍 26% Ardens est cor meumArdens est cor meum
  24. 🔍 26% IntroiboIntroibo
  25. 🔍 26% Rex sempiterne coelitumRex sempiterne coelitum
  26. 🔍 26% Domine ne longeDomine ne longe
  27. 🔍 26% Nunc ergoNunc ergo
  28. 🔍 26% Ipse me coronavitIpse me coronavit
  29. 🔍 25% Sicut oculiSicut oculi
  30. 🔍 25% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  31. 🔍 25% Ipse me coronavit (Resp.)Ipse me coronavit (Resp.)
  32. 🔍 25% Beata AgathaBeata Agatha
  33. 🔍 25% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  34. 🔍 25% MagnificatMagnificat
  35. 🔍 25% Servite DominoServite Domino
  36. 🔍 24% Inclina cor meumInclina cor meum
  37. 🔍 24% Te Matrem laudamusTe Matrem laudamus
  38. 🔍 24% Dominus qui eripuit meDominus qui eripuit me
  39. 🔍 24% Redemisti nosRedemisti nos
  40. 🔍 24% Domine ne longeDomine ne longe
  41. 🔍 24% Hymnus Te DeumHymnus Te Deum
  42. 🔍 24% Beatus vir cujusBeatus vir cujus
  43. 🔍 24% Velociter exaudi meVelociter exaudi me
  44. 🔍 24% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  45. 🔍 24% Domine, ne longeDomine, ne longe
  46. 🔍 24% NoliteNolite
  47. 🔍 24% Erue a frameaErue a framea
  48. 🔍 24% Rector potens (In Dominicis per Annum)Rector potens (In Dominicis per Annum)
  49. 🔍 24% Sicut oculiSicut oculi
  50. 🔍 24% Gloria LausGloria Laus
  51. 🔍 23% DilexistiDilexisti
  52. 🔍 23% Rector potens verax Deus (in Dom. et Minor. Festis)Rector potens verax Deus (in Dom. et Minor. Festis)
  53. 🔍 23% Legis sacrataeLegis sacratae
  54. 🔍 23% Isti sunt qui viventesIsti sunt qui viventes
  55. 🔍 23% Angustiae mihiAngustiae mihi
  56. 🔍 23% Doceam iniquos vias tuasDoceam iniquos vias tuas
  57. 🔍 23% Factus esFactus es
  58. 🔍 23% Surge propera... formosaSurge propera... formosa
  59. 🔍 23% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  60. 🔍 23% Dominus qui eripuit meDominus qui eripuit me
  61. 🔍 23% Quam magnificata suntQuam magnificata sunt
  62. 🔍 23% NoliteNolite
  63. 🔍 23% Redime me DomineRedime me Domine
  64. 🔍 23% Domine Deus salutisDomine Deus salutis
  65. 🔍 23% Ego dixi, Domine (Tonus simplex)Ego dixi, Domine (Tonus simplex)